P2004

Intake Manifold Runner Control Stuck Open Bank 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Reduced power at low speeds
Uneven engine operation
Increased fuel consumption
Check Engine Light Illuminates
Possible misfires

Causes

Mechanical jamming of the damper
Control solenoid valve malfunction
Open or short circuit in control circuit
Problems with the vacuum drive (if the system is vacuum)
Damper position sensor malfunction

How to Fix

Check the mechanical movement of the damper
Check the integrity of the control circuit
Check the operation of the solenoid valve
Check the throttle position sensor
If necessary, replace faulty components

Related codes

P2005 P2006 P2007